ArticleBiological trace element research2026
Urinary Iodine and Maternal Thyroid Hormones Across Pregnancy Trimesters: a Stratified and Nonlinear Analysis from 2020-2024.
Article in Biological trace element research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Iodine is essential for the synthesis of thyroid hormones, which are vital to prenatal growth and neurological development. The nonlinear relationship between the urine iodine concentration and thyroid indicators in pregnant women is unclear, although both minimal and excessive iodine consumption may affect thyroid function. This repeated cross-sectional analysis study was conducted between 2020 and 2024 and involved 649 pregnant women from Beijing, utilizing data from the National Endemic Disease Surveillance System. The obtained data included urine iodine concentrations (UICs), household salt iodine levels, and serum thyroid hormone levels (thyroid-stimulating hormone (TSH), free thyroxine (FT)
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